| Chennai Bypass Road | |
|---|---|
| Chennai Bypass Road in red | |
 | |
| Route information | |
Part of  AH20 | |
| Maintained by National Highways Authority of India (NHAI) | |
| Length | 32 km (20 mi) |
| Existed | 2010–present |
| Major junctions | |
| From | Puzhal, Chennai district |
| To | Perungalathur Chennai City, Chengalpattu district |
| Location | |
| Country | India |
| Major cities | Maduravoyal, Ambattur, Porur Chennai City |
| Highway system | |
| Chennai HSCTC | |
The Chennai Bypass Road is a full-access controlled expressway that interconnects four radial Indian National Highways around Chennai, India covering a distance of 32 km (20 mi) from Perungalathur (near Tambaram) on NH-32 to puzhal on NH-16 via Maduravoyal at a cost of ₹ 4.05 billion. Constructed as part of the National Highway Development Project to decongest the city of transiting vehicles, the expressway interconnects NH-32, NH-48, NH-716 and NH-16. This expressway now forms a part of the circular transportation corridor.
Phases
Phase I
The first phase is a 19 km (12 mi) six-lane fully access controlled carriageway from Perungalathur on the Grand Southern Trunk Road (NH 32) to Maduravoyal which lies on the Chennai–Bangalore NH-48. A 3-tier trumpet interchange has also been constructed at the starting point at Irumbuliyur. It was inaugurated in April 2008. The road runs through Thiruneermalai, Pammal, Anakaputhur, Tharapakkam, Kovur, Porur, Vanagaram to reach Maduravoyal.
Phase II
The second phase include extending the bypass by 13 km (8.1 mi) from Maduravoyal to Puzhal on the Chennai–Kolkata NH16 and four-laning it. It also includes two interchanges. There are a clover-leaf grade separator at Maduravoyal Junction and a trumpet interchange at Puzhal where the bypass phase II ends.
Elevated road
A 3.2 kilometres (2.0 mi) elevated six-lane corridor forms the part of Phase II being executed currently. This elevated road cuts through the industrial estate in Ambattur. This corridor ends with a road over bridge (RoB) crossing the Chennai–Jolarpet railway line. The elevated corridor was completed in June 2009 at a cost of ₹ 1000 million.
Interchanges
Main articles: Maduravoyal Junction, Madhavaram Junction, and Irumbuliyur Junction- A 3-tier interchange connecting NH32 at Irumbuliyur. This place is where the bypass begins.
- An elevated cloverleaf interchange at Maduravoyal to connect it with the Chennai Port–Maduravoyal Expressway and the proposed Maduravoyal–Sriperumbudur dry port expressway
- A trumpet interchange at Puzhal
Gallery
-
The Porur flyover section of Phase I of the Chennai bypass passing through Porur Lake
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The expressway passes through the outskirts of Chennai.
See also
References
- "PIB Foundation stone for Phase II of Chennai Bypass". Archived from the original on 28 September 2007.
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